What storage and pressurised-container precautions apply to Serevent Evohaler (salmeterol xinafoate)?

For Serevent Evohaler (salmeterol xinafoate), replace the mouthpiece cover firmly until it snaps into position, do not store above 30°C, and do not expose the pressurised container to temperatures above 50°C or puncture, break or burn it, even when apparently empty.